UPA Chairperson Sonia Gandhi pays tributes during a memorial ceremony for former Prime Minister of India Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011

UPA Chairperson Sonia Gandhi pays tributes during a memorial ceremony for former Prime Minister of India Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

UPA Chairperson Sonia Gandhi pays tributes during a memorial ceremony for former Prime Minister of India Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

UPA Chairperson Sonia Gandhi with Delhi Chief Minister Sheila Dikshit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011

UPA Chairperson Sonia Gandhi with Delhi Chief Minister Sheila Dikshit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

UPA Chairperson Sonia Gandhi with Delhi Chief Minister Sheila Dikshit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

Vice-President Hamid Ansari(C)arrives with UPA Chairperson Sonia Gandhi and Delhi Chief Minister Sheila Dixit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011

UPA Chairperson Sonia Gandhi(C)arrives with Vice-President Hamid Ansari and Chief Minister Sheila Dixit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

UPA Chairperson Sonia Gandhi(C)arrives with Vice-President Hamid Ansari and Chief Minister Sheila Dixit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

UPA Chairperson Sonia Gandhi talks to Union Minister Kamal Nath during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011

UPA Chairperson Sonia Gandhi talks to Union Minister Kamal Nath during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

UPA Chairperson Sonia Gandhi talks to Union Minister Kamal Nath during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

UPA Chairperson Sonia Gandhi with Delhi Chief Minister Sheila Dikshit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011

UPA Chairperson Sonia Gandhi with Delhi Chief Minister Sheila Dikshit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)

UPA Chairperson Sonia Gandhi with Delhi Chief Minister Sheila Dikshit during a memorial ceremony for Jawaharlal Nehru on his 47th death anniversary at Shanti Van in New Delhi on May 27, 2011. (PTI/Atul Yadav)